“Some people spend an entire lifetime wondering if they made a difference in the world. But, the Marines don't have that problem.” Ronald Reagan
Many moons ago I worked extensively with a really tightened and accurized 1911 in a ransom rest.
The very best groups were with pure linotype 452460 200 grain bullets. 4.0 grains of bullseye and Javalina lube. That combo achieved 1.25" for 5 shots at 50 yards.
I also played with pure lead and the best I could get with Bullseye powder was 3" at 25 yards. I recovered some of the fired pure lead bullets and measured the land marks with calipers and the land marks were about 25% wider than on a linotype bullet. I had no COWW back then, the only metals I had were lino and pure lead. The mold for the pure lead was a Lee 6 cavity tumble lead semiwadcutter.
The groups are the proof though, I always figured that a bit slower powder than Bullseye might work better with pure lead in 45 acp.
Both ends WHAT a player
That is not surprising because the harder alloy is much better able to resist the torque of spin up. But a soft alloy can be encased in a hard jacket then it is the jacket resisting the force. This holds true whether the jacket is metal or polymer, there has to be sufficient thickness of the jacket.
BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |